We present the JUpiter MagnetosPheric boundary ExploreR, JUMPER, a Jupiter orbiting SmallSat mission concept to explore the planet's upstream solar wind environment and magnetospheric boundaries and measure the energetic neutral atom (ENA) emissions from its space environment. JUMPER's instrument payload consists of a plasma sensor, a magnetometer, and a neutral atom imager. Measurements from these instruments will complement simultaneous observations of Jupiter's magnetosphere, radio emissions, and/or aurora from a Jupiter orbiting spacecraft (e.g. Europa Clipper, Io Observer, JOLT) and/or Earth-based observatories, providing simultaneous, multi-point observations to study the dynamics of this system. JUMPER's science objectives drive several top-level requirements on mission design. The most important is an orbit that extends beyond Jupiter's bow shock and magnetopause on the planet's dayside. Mission design is also constrained by the necessity to ride share on a primary vehicle, preferably until after Jupiter orbit insertion. The JUMPER spacecraft design derives heritage from SmallSats developed for Southwest Research Institute (SwRI)-led missions such as those on the Cyclone Global Navigation Satellite System (CYGNSS) mission. The spacecraft design consists of a frame supporting four triple-deployed solar array panels, a propulsion system, and three science instruments positioned to accommodate their field-of-views (FOVs). Embedded within the frame is an radiation vault that will house a majority of the electronics for the spacecraft avionics and payload subsystems. The spacecraft consists of 5 systems: 1) Mechanical, Structural and Thermal (MST) 2) Flight Avionics System (FAS), 3) Electrical Power System (EPS), 4) Communication and Data System (CDS), and 5) Hydrazine Propulsion System (OPS). JUMPER was funded for full mission concept development through NASA's Planetary Science Deep Space SmallSat Studies (PSDS3) program. This paper describes some of the concept study results.
JUpiter magnetospheric boundary ExploreR (JUMPER)
2018-03-01
4045859 byte
Conference paper
Electronic Resource
English
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